<!DOCTYPE html>
<html>
<head>
    <!-- 页面meta -->
    <meta charset="utf-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <title>传智健康</title>
    <meta name="description" content="传智健康">
    <meta name="keywords" content="传智健康">
    <meta content="width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no" name="viewport">
    <!-- 引入样式 -->
    <link rel="stylesheet" href="../plugins/elementui/index.css">
    <link rel="stylesheet" href="../plugins/font-awesome/css/font-awesome.min.css">
    <link rel="stylesheet" href="../css/style.css">
    <!-- 引入组件库 -->
    <script type="text/javascript" src="../js/jquery.min.js"></script>
    <script src="../plugins/echarts/echarts.js"></script>
    <script src="../js/vue.js"></script>
    <script src="../plugins/elementui/index.js"></script>
    <script src="../js/axios-0.18.0.js"></script>
</head>
<body class="hold-transition">
<div id="app">
    <div class="content-header">
        <h1>统计分析
            <small>会员数量</small>
        </h1>
        <el-breadcrumb separator-class="el-icon-arrow-right" class="breadcrumb">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>统计分析</el-breadcrumb-item>
            <el-breadcrumb-item>会员数量</el-breadcrumb-item>
        </el-breadcrumb>
    </div>
    <div class="app-container">
        <div class="box">
            <div class="filter-container">

                <template>
                    <div class="block">
                        <span class="demonstration">开始月份</span>
                        <el-date-picker
                                v-model="startDate"
                                type="month" >
                        </el-date-picker>
                        <!--<span>-</span>-->
                        <el-button @click="rest()" class="dalfBut">重置</el-button>
                        <br>
                        <span class="demonstration">结束月份</span>
                        <el-date-picker
                                v-model="endDate"
                                type="month" >
                        </el-date-picker>
                        <el-button @click="myEcharts(1)" class="dalfBut">查询</el-button>
                    </div>

                </template>
            </div>
            <!-- 为 ECharts 准备一个具备大小（宽高）的 DOM -->
            <div id="chart1" style="height:600px;"></div>

        </div>
    </div>
</div>
</body>

<script>
    var vue = new Vue({
        el: '#app',
        data: {
            startDate: "",
            endDate: "",
        },
        created() {

        },
        mounted() {
            this.myEcharts();
        },
        methods: {
            rest(){
                this.startDate="";
                this.endDate=""
            },
            myEcharts() {
                if (this.startDate > this.endDate) {
                    this.$message.error("开始日期不能大于等于结束日期!");
                    return;
                }
               var startDate;
               var endDate;
                if (!(this.startDate == undefined || this.endDate == undefined)){
                    startDate = this.date2String(this.startDate);
                    endDate = this.date2String(this.endDate);
                }
                if (startDate == null || endDate == null) {
                    var date = new Date();
                    var year = date.getFullYear();
                    var month = date.getMonth() + 1;
                    startDate = year + "-" + (month - 6);
                    endDate = year + "-" + month
                }
                // 基于准备好的dom，初始化echarts实例
                var myChart1 = echarts.init(document.getElementById('chart1'));
                // 使用刚指定的配置项和数据显示图表。
                var memberOption = {
                    title: {
                        text: '会员数量'
                    },
                    tooltip: {},
                    legend: {
                        data: ['会员数量']
                    },
                    xAxis: {
                        data: ["2018.01", "2018.02", "2018.03", "2018.04"]
                    },
                    yAxis: {
                        type: 'value'
                    },
                    series: [{
                        name: '会员数量',
                        type: 'line',
                        data: [13, 14, 28, 30]
                    }]
                };
                myChart1.setOption(memberOption);


                axios.get("http://localhost:9002/report/getMemberReport?startDate=" + startDate + "&endDate=" + endDate).then((res) => {
                    if (res.data.flag) {
                        //myChart1.setOption();
                        memberOption.xAxis.data = res.data.data.months;
                        memberOption.series[0].data = res.data.data.memberCount;
                        myChart1.clear();
                        myChart1.setOption(memberOption);
                    }
                });
            },
            date2String(date) {
                if (date == "") {
                    return;
                }
                var y = date.getFullYear();
                var m = date.getMonth() + 1;
                m = m < 10 ? ('0' + m) : m;
                return y + '-' + m;
            }
        }

    })
</script>

</html>
